9T6123 Hydraulic Oil Double Vane Pump 4535VQ Vickers

Engineered for peak performance and reliability, the 9T6123 Hydraulic Oil Double Vane Pump 4535VQ Vickers is a cornerstone component in demanding hydraulic systems. This fixed displacement, high-speed, pressure-balanced vane pump delivers consistent power and efficiency, making it an ideal choice for a wide array of heavy machinery and industrial applications.

Product Specifications

• Model: 4535VQ Series Double Vane Pump

• Primary Displacement (P1): 138.7 – 193.4 cm³/rev

• Secondary Displacement (P2): 81.6 - 121.6 cm³/rev

• Maximum Pressure: 210 Bar (3045 PSI)

• Maximum Speed: 2200 rpm

• Mounting: SAE C Mount (Flange or Foot Mounting options available)

• Material: High-Quality Casting Iron

• Certification: ISO9001

• Feature: High Efficiency & Low Noise, Pressure-Balanced Design

Product Advantages and Selling Points

• Superior Performance: The pressure-balanced intravane design ensures more stable performance and significantly longer operational life by reducing pressure on the stator.

• Reduced Noise: Featuring a twelve-vane system, this pump delivers low amplitude flow pulsation, resulting in remarkably quiet operation and reduced system noise characteristics.

• Enhanced Durability: Constructed from robust casting iron and designed for high-pressure applications, it offers exceptional resistance to wear and tear, ensuring longevity in harsh environments.

• Flexible Configuration: With various displacement options and shafts featuring four different outlet positions, the pump offers great flexibility for diverse operational setups.

• Easy Maintenance: The cartridge is designed to be independent of the drive shaft, facilitating easy servicing and replacement without needing to remove the entire pump from its mounting. This streamlines maintenance and reduces downtime.

• High Efficiency: Optimized internal components contribute to outstanding volumetric efficiency, translating into less energy waste and more effective power transmission.

Applicable Equipment and Application Scenarios

The 9T6123 Hydraulic Oil Double Vane Pump 4535VQ Vickers is highly versatile and suitable for a broad spectrum of heavy machinery and industrial systems, including but not limited to:

• Caterpillar Wheel Scrapers (e.g., 623E, 627E): These robust machines are essential for large-scale earthmoving projects such as road construction, land leveling, mining operations, and dam building. The 4535VQ pump ensures reliable hydraulic power for scraper bowl control, steering, and braking, enabling efficient material hauling over medium to long distances in cut-and-fill operations and mass excavation.

• Caterpillar Wheel Tractors (e.g., 623B, 623E, 641B, 651B, 657E): Integral to high-volume earthmoving, these tractors rely on powerful hydraulics for steering and implement control, ensuring smooth operation in challenging terrains.

• Caterpillar Wheel Loaders (e.g., 966C, 966R, 966 Series): Used for loading trucks, trenching, and utility work, these loaders require precise hydraulic control for their buckets and articulated steering.

• General Heavy Equipment: Excavators, bulldozers, and other construction machinery where consistent hydraulic power is critical for lifting, digging, and precise movement.

• Mining Machinery: Drills, conveyors, and other equipment operating in harsh mining conditions.

• Rubber & Plastic Machinery: Injection molding machines and other processing equipment demanding high-pressure hydraulic circuits.

• Die Casting and Metallurgical Machinery: Where precise, powerful, and reliable hydraulic actuation is paramount for manufacturing processes.

• Mobile Equipment: Forklifts, refuse vehicles, aerial booms, and other mobile hydraulic systems that require compact and efficient power.

• Industrial Automation & Hydraulic Presses: Providing the necessary force and control for automated production lines and high-tonnage pressing applications.

Case Study Analysis (Wheel Scrapers): Consider large-scale highway construction where a CAT 623E Wheel Scraper is deployed for cut-and-fill operations. The 9T6123 hydraulic pump is vital for rapidly extending and retracting the scraper bowl, ensuring quick loading and unloading of earth. Its ability to maintain high pressure and flow during continuous operation directly contributes to faster cycle times and increased project efficiency. In a mining scenario, a CAT 627E might be used for overburden removal. The pump's reliability under extreme conditions prevents costly downtime, enabling continuous material movement and supporting overall productivity in demanding environments.

Related Similar Products

Beyond the 4535VQ, Vickers offers a comprehensive range of V and VQ series hydraulic vane pumps, both single and double configurations, designed for various applications:

• Single Vane Pumps: 20VQ, 25VQ, 35VQ, 45VQ (and their V series counterparts like 20V, 25V, 35V, 45V). These are typically used in systems requiring a single, robust hydraulic power source for applications such as power steering, single-function presses, and smaller industrial machinery.

• Double Vane Pumps: 2520VQ, 3520VQ, 3525VQ, 4520VQ, 4525VQ (and their V series counterparts like 2520V, 3520V, 3525V, 4520V, 4525V, 4535V). These pumps offer two independent pumping sections within a single unit, providing flexibility for systems with multiple hydraulic circuits, common in construction machinery (e.g., excavators, loaders), agricultural equipment, and plastic injection molding machines, allowing for simultaneous operation of different functions.

These similar models share the core advantages of Vickers' vane pump technology, including high efficiency, low noise, and robust construction, making them suitable for a wide array of heavy equipment, industrial automation, and mobile applications.

Common Installation Problems and Solutions

Proper installation and maintenance are crucial for the longevity and optimal performance of hydraulic vane pumps. Here are common issues encountered during installation and their effective solutions:

• Priming Issues (Pump Does Not Draw Fluid):

• Problem: Dry running, low fluid level, air ingress, blocked suction filter, closed valves, or incorrect pump speed/rotation direction.

• Solution: Ensure adequate hydraulic fluid levels, bleed air from the system, check all pipe connections for leaks, clean/replace suction filters, confirm all inlet valves are fully open, and verify correct pump rotation direction and speed as per specifications.

• Reduced Flow and Pressure:

• Problem: Restricted suction/discharge lines, internal pump wear (e.g., worn vanes), or faulty relief valve operation.

• Solution: Inspect and clear any blockages in suction and discharge lines. Regularly check pump vanes for wear and replace cartridges if necessary. Verify that the relief valve is set correctly and operating smoothly. Ensure vanes are installed correctly and facing the proper direction.

• Excessive Noise and Vibration (Cavitation):

• Problem: Air trapped in the system, low hydraulic fluid levels, loose or misaligned components, or an overloaded system.

• Solution: Bleed all air from the hydraulic system thoroughly. Maintain proper fluid levels. Tighten all loose components and ensure correct alignment of the pump and motor during installation. Operate the hydraulic system within its rated capacity to prevent overloading.

• Overheating:

• Problem: Low fluid levels, contaminated fluid, or inadequate ventilation around the power unit.

• Solution: Consistently monitor and maintain optimal hydraulic fluid levels. Implement a regular fluid change schedule and use high-quality fluids with appropriate filtration to prevent contamination. Ensure ample airflow around the hydraulic power pack by cleaning vents and avoiding confined spaces.

• Shaft Leaks:

• Problem: Bearing failure, hardened seals (often due to prolonged overheating), or external contamination damaging the seal surface.

• Solution: Replace worn bearings and hardened seals. Maintain the hydraulic system's operating temperature below 140°F (60°C) to prevent seal hardening. Protect the shaft seal area from external contaminants.

• Assembly Errors Leading to Failure:

• Problem: Misalignment of shafts, improper shaft/coupling connections, incorrectly mounted dowel pins, or loose fasteners during reassembly.

• Solution: Exercise meticulous care during reassembly. Ensure precise alignment of all components, correct engagement of the rotor and vanes within the cartridge, and securely tighten all fasteners. Refer to manufacturer's installation guidelines for proper procedures.